ULA, the rocket joint venture of Boeing Co and Lockheed Martin Corp, is set to announce on Thursday that it has picked Blue Origin's BE-4 engine for its Vulcan rocket, the WSJ reported on.wsj.com/2OizbIo, citing people familiar with the matter

United Launch Alliance and Blue Origin were not immediately available for comment outside regular business hours. (Reporting by Shubham Kalia in Bengaluru; Editing by Gopakumar Warrier)